Natron Mineral Data (original) (raw)

General Natron Information

Help on Chemical Formula: Chemical Formula:

Na2CO3•10(H2O)

Help on Composition: Composition:

Molecular Weight = 286.14 gm

Sodium 16.07 % Na 21.66 % Na2O

Hydrogen 7.05 % H 62.96 % H2O

Carbon 4.20 % C 15.38 % CO2

Oxygen 72.69 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Na2(CO3)•10(H2O)

Help on Environment: Environment:

Saline lake beds in arid environments.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) Prehistoric

Help on Locality: Locality:

Ragtown, Nevada, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

From the Latin for "soda."

Help on Name Pronunciation: Name Pronunciation:

Natron Say NATRON

Help on Synonym: Synonym:

ICSD 16033

PDF 15-800

Soda

Natron Image

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Natron Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.4214:1:1.489

Help on Cell Dimensions: Cell Dimensions:

a = 12.83, b = 9.026, c = 13.44, Z = 4; beta = 123° V = 1,305.31 Den(Calc)= 1.46

Help on Crystal System: Crystal System:

Monoclinic - DomaticH-M Symbol (m) Space Group: Cc

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.036(1), 3.015(0.7), 2.894(0.6),5.37(0.5),

Click Here for Large Natron Structure Window Crystal Structure:

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| | Taga T , Acta Crystallographica, Section B , 25 (1969) p.2656-2657, Crystal structure of Na2CO3*10H2O, Locality: synthetic | | ------------------------------------------------------------------------------------------------------------------------------ |

Physical Properties of Natron

Help on Cleavage: Cleavage:

{001} Distinct, {010} Imperfect

Help on Color: Color:

White, Gray, Colorless, Yellow.

Help on Density: Density:

1.42 - 1.47, Average = 1.44

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Fracture: Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Help on Habit: Habit:

Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.

Help on Habit: Habit:

Encrustations - Forms crust-like aggregates on matrix.

Help on Hardness: Hardness:

1 - Talc

Help on Luminescence: Luminescence:

Phosphorescent.

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Natron

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.29,KPDmeas= 0.293,KC= 0.2877
Ncalc = 1.41 - 1.42

Help on Optical Data: Optical Data:

Biaxial (-), a=1.405, b=1.425, g=1.44, bire=0.0350, 2V(Calc)=80, 2V(Meas)=71. Dispersion r > v.

Help on Pleochroism (x): Pleochroism (x):

colorless.

Help on Pleochroism (y): Pleochroism (y):

colorless.

Help on Pleochroism (z): Pleochroism (z):

colorless.

Calculated Properties of Natron

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=1.55 gm/cc
note: Specific Gravity of Natron =1.46 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0008212058
Boson Index = 0.9991787942

Help on Photoelectric: Photoelectric:

PENatron = 0.51 barns/electron
U=PENatron x rElectron Density= 0.80 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natron is Not Radioactive

Natron Classification

Help on Dana Class: Dana Class:

15.01.02.01 (15)Hydrated Carbonates

(15.01)where A+ (XO3) � x(H2O)

(15.01.02)Dana Group

15.01.02.01 Natron Na2CO3•10(H2O) Cc m

Help on Strunz Class: Strunz Class:

05.CB.10 05 - CARBONATES (NITRATES)

05.C - Carbonates without Additional Anions, with H2O

05.CB -With large cations (alkali and alkali-earth carbonates)

05.CB.10 Natron Na2CO3•10(H2O) Cc m

Other Natron Information

Help on References: References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

Help on See Also: See Also:

Links to other databases for Natron :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
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Ask about Natron here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Natron Specimen Label here :

Natron

Na2CO3•10(H2O)
Dana No: 15.01.02.01 Strunz No: 05.CB.10
Locality:

Notes: